Specifies that leaf strings in the JSON object graph are created as instances of NSMutable.
SDKs
- iOS 5.0+
- macOS 10.7+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
Framework
- Foundation
Declaration
NSJSONReadingMutableLeaves = (1UL << 1)
Enumeration CaseNSJSONReading
NSJSONReading
Beta Software
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